Is CaCO3 Solid or Aqueous?

CaCO3, also known as calcium carbonate, is generally found in solid form. It is a common substance found in rocks, such as limestone, marble, and chalk. Calcium carbonate is also the main component of shells of marine organisms, snails, and eggshells.

In its natural state, CaCO3 is a white, odorless powder or a solid crystal. It is not typically found in an aqueous (dissolved in water) form under normal conditions. However, calcium carbonate can dissolve in water to a very small extent, forming a weak solution of calcium ions (Ca2+) and carbonate ions (CO32-). This process is influenced by factors such as temperature, pressure, and the presence of other chemicals.

In summary, CaCO3 is primarily a solid, but it can dissolve in water to a limited extent under specific conditions.

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